Troubleshooting
Problem |
| Possible Causes |
| Probable Solutions |
Engine will not | Fuel Related: | Fuel Related: | ||
start | 1. | No fuel in tank or Fuel Cock closed. | 1. | Fill fuel tank and open fuel valve. |
| 2. | Choke not in start position, | 2. | Move choke to start position if |
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| especially with cold engine. |
| engine is cold. |
| 3. | Low quality or deteriorated, old | 3. | Use only fresh 89+ octane unleaded |
|
| gasoline. |
| gasoline. |
| 4. | Dirty fuel passageways blocking fuel | 4. | Clean out passageways using |
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| flow. |
| fuel additive. Heavy deposits may |
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|
|
| require further cleaning. |
| 5. | Too much fuel in chamber. This can | 5. | Turn choke to run position. Remove |
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| be caused by the carburetor needle |
| spark plug and pull the start handle |
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| sticking. |
| several times to air out the chamber. |
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|
|
| Reinstall spark plug and set choke |
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|
|
| to start position. |
| Ignition (spark) Related: | Ignition (spark) Related: | ||
| 1. | Spark plug wire not connected | 1. | Connect spark plug wire properly. |
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| securely. |
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| 2. | Spark plug electrode wet or dirty. | 2. | Clean spark plug. |
| 3. | Incorrect spark plug gap. | 3. | Correct spark plug gap. |
| 4. | Spark plug wire or spark plug | 4. | Replace spark plug wire and/or |
|
| broken. |
| spark plug. |
| 5. | Incorrect spark timing or faulty | 5. | Have qualified technician diagnose/ |
|
| ignition system. |
| repair ignition system. |
| Compression Related: | Compression Related: | ||
| 1. | Cylinder not lubricated. Problem | 1. | Pour tablespoon of oil into spark |
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| after long storage periods. |
| plug hole. Crank engine a few times |
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|
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| and try to start again. |
| 2. | Loose or broken spark plug. | 2. | Tighten spark plug. If that does not |
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| (Hissing noise will occur when trying |
| work, replace spark plug. |
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| to start.) |
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|
Engine misfires | 1. Spark plug wire loose. | 1. | Check wire connections. | |
| 2. | Incorrect spark plug gap or | 2. | |
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| damaged spark plug. |
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| 3. | Defective spark plug wire. | 3. | Replace spark plug wire. |
| 4. | Old or low quality gasoline. | 4. | Use only fresh 89+ octane unleaded |
|
|
|
| gasoline. |
Engine stops | 1. | Low oil shutdown. | 1. | Fill engine oil to proper level. Check |
suddenly |
|
|
| engine oil before EVERY use. |
| 2. | Fuel tank empty or full of impure or | 2. | Fill fuel tank with fresh 89+ octane |
|
| low quality gasoline. |
| unleaded gasoline. |
| 3. | Defective fuel tank cap creating | 3. | Test/replace fuel tank cap. |
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| vacuum, preventing proper fuel flow. |
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|
Follow all safety precautions whenever diagnosing or servicing the equipment or engine.
SKU 65588 | For technical questions, please call | Page 15 |